feat: enhance image loading performance by adding fetchPriority and loading attributes in multiple components, and update MUI icons chunking in webpack configuration

src/components/Images.js

@@ -132,6 +132,8 @@ class Images extends Component {
               component="img"
               height="400"
               image={getImagePath(this.props.pictureList)}
+              fetchPriority="high"
+              loading="eager"
               sx={{ 
                 objectFit: 'contain',
                 cursor: 'pointer',
@@ -170,6 +172,8 @@ class Images extends Component {
           <CardMedia 
             component="img" 
             height="400" 
+            fetchPriority="high"
+            loading="eager"
             sx={{ 
               objectFit: 'contain',
               cursor: 'pointer',